<template>
  <div>
     <!-- 主体部分 -->
     <section class="main">
      <input id="toggle-all" class="toggle-all" 
      v-model="isAll"
      type="checkbox" />
      <label for="toggle-all">Mark all as complete</label>
      <ul class="todo-list">
        <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
        <li :class="{completed :item.isDone}" v-for="item in list" :key="item.id">
          <div class="view">
            <input class="toggle" type="checkbox" :checked="item.isDone" @click ="isChecked(item.id)"/>
            <label>{{item.name}}</label>
            <button class="destroy" @click="del(item.id)"></button>
          </div>
        </li>
      </ul>
    </section>
  </div>
</template>

<script>
export default {
  props: {
    list: {
      type:Array,
      required:true
    }
  },
  data() {
    return {
      
    };
  },

  methods: {
    isChecked(id) {
      this.$emit('isCheck',id)
    },
    del(id) {
      this.$emit('delHandler',id)

    }
  },
  computed: {
    isAll: {
      get() {
        return this.list.every(item =>item.isDone)
      },
      set(val) {
        this.$emit('isDone',val)
      }
    }
  }
};
</script>

<style lang="scss" scoped>

</style>